Word: slotted
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Dates: during 1888-1888
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...them correspondingly. The cable is run along a trench under the tracks; is operated by steam power at the ends of the route; is kept taut by a system of weights at its extremities, which rise and fall according to the number and weight of the cars attached. A slot about three-quarters of an inch wide runs between the tracks, and through it the clamp of the dummy or grip car is operated by the driver. The cable moves at a uniform rate, but the speed of the cars can be regulated by letting the clamp grasp the cable...